15 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Causes Intravascular ... ) - HELLP syndrome ... Hemolytic uremic syndrome ... #Causes #differential ... #diagnosis #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Corpuscular Volume (MCV ... Normal Blood Smear ... • Small Bowel Disorder ... Myelodysplastic Syndromes ... #Causes #Hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Blood Loss ... • Acute Bleed - ... Reticulocytes, MCV ... Disease • Marrow ... #Causes #Hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Acute blood loss ... Myelodysplastic syndrome ... #differential # ... diagnosis #causes ... #hematology
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Causes: Chronic ... Blood Loss, Occult ... HgbE, HgbC, etc. ... #Macrocytosis #elevatedMCV ... #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... : Acute blood loss ... Kawasaki, Nephrotic syndrome ... • Infections: Chronic ... #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis): • Acute ... inflammatory disorders ... Myelodysplastic syndrome ... #Diagnosis #Causes ... #hematology #secondary
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
, Kostmann syndrome ... Chediak-Higashi syndrome ... including white blood ... #diagnosis #causes ... #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
caused by blood ... Marrow Failure • Chronic ... Myeloproliferative Disease ... #diagnosis #hematology ... #oncology